SwiftPrivate: correct dependencies on Windows
SwiftPrivate: correct dependencies on Windows

Ensure that we explicitly state the dependency on WinSDK to avoid issues
in parallel builds.  Caught by the Windows nightlies.

allevato/swift,ahoppen/swift,devincoughlin/swift,CodaFi/swift,sschiau/swift,shajrawi/swift,devincoughlin/swift,gregomni/swift,xedin/swift,ahoppen/swift,allevato/swift,shahmishal/swift,aschwaighofer/swift,gregomni/swift,harlanhaskins/swift,xedin/swift,rudkx/swift,airspeedswift/swift,atrick/swift,aschwaighofer/swift,glessard/swift,karwa/swift,tkremenek/swift,harlanhaskins/swift,harlanhaskins/swift,allevato/swift,lorentey/swift,lorentey/swift,shajrawi/swift,xwu/swift,JGiola/swift,shajrawi/swift,stephentyrone/swift,benlangmuir/swift,ahoppen/swift,apple/swift,sschiau/swift,sschiau/swift,CodaFi/swift,hooman/swift,JGiola/swift,JGiola/swift,tkremenek/swift,rudkx/swift,austinzheng/swift,karwa/swift,shajrawi/swift,jmgc/swift,xedin/swift,devincoughlin/swift,roambotics/swift,jmgc/swift,practicalswift/swift,jckarter/swift,parkera/swift,xedin/swift,aschwaighofer/swift,benlangmuir/swift,devincoughlin/swift,karwa/swift,amraboelela/swift,hooman/swift,karwa/swift,glessard/swift,parkera/swift,xedin/swift,rudkx/swift,jmgc/swift,parkera/swift,airspeedswift/swift,roambotics/swift,karwa/swift,nathawes/swift,gribozavr/swift,jckarter/swift,lorentey/swift,lorentey/swift,nathawes/swift,austinzheng/swift,xwu/swift,amraboelela/swift,stephentyrone/swift,gribozavr/swift,practicalswift/swift,austinzheng/swift,hooman/swift,allevato/swift,tkremenek/swift,glessard/swift,hooman/swift,lorentey/swift,practicalswift/swift,xedin/swift,parkera/swift,shahmishal/swift,gribozavr/swift,parkera/swift,practicalswift/swift,shajrawi/swift,amraboelela/swift,JGiola/swift,parkera/swift,austinzheng/swift,amraboelela/swift,practicalswift/swift,gribozavr/swift,atrick/swift,amraboelela/swift,airspeedswift/swift,hooman/swift,xwu/swift,shahmishal/swift,atrick/swift,devincoughlin/swift,ahoppen/swift,airspeedswift/swift,jckarter/swift,airspeedswift/swift,airspeedswift/swift,rudkx/swift,shajrawi/swift,shahmishal/swift,atrick/swift,practicalswift/swift,devincoughlin/swift,rudkx/swift,roambotics/swift,nathawes/swift,ahoppen/swift,jckarter/swift,roambotics/swift,gribozavr/swift,austinzheng/swift,aschwaighofer/swift,jckarter/swift,rudkx/swift,lorentey/swift,gribozavr/swift,tkremenek/swift,gregomni/swift,apple/swift,gribozavr/swift,austinzheng/swift,sschiau/swift,shajrawi/swift,karwa/swift,xedin/swift,jmgc/swift,sschiau/swift,practicalswift/swift,devincoughlin/swift,CodaFi/swift,jmgc/swift,shajrawi/swift,CodaFi/swift,jmgc/swift,nathawes/swift,airspeedswift/swift,amraboelela/swift,jckarter/swift,jckarter/swift,stephentyrone/swift,harlanhaskins/swift,karwa/swift,benlangmuir/swift,stephentyrone/swift,sschiau/swift,roambotics/swift,xwu/swift,practicalswift/swift,stephentyrone/swift,apple/swift,nathawes/swift,JGiola/swift,harlanhaskins/swift,benlangmuir/swift,atrick/swift,glessard/swift,benlangmuir/swift,aschwaighofer/swift,CodaFi/swift,lorentey/swift,hooman/swift,devincoughlin/swift,apple/swift,roambotics/swift,CodaFi/swift,shahmishal/swift,allevato/swift,stephentyrone/swift,sschiau/swift,parkera/swift,harlanhaskins/swift,shahmishal/swift,xwu/swift,tkremenek/swift,xedin/swift,glessard/swift,amraboelela/swift,tkremenek/swift,harlanhaskins/swift,allevato/swift,ahoppen/swift,xwu/swift,gregomni/swift,shahmishal/swift,gregomni/swift,apple/swift,xwu/swift,CodaFi/swift,apple/swift,parkera/swift,allevato/swift,jmgc/swift,shahmishal/swift,glessard/swift,hooman/swift,tkremenek/swift,karwa/swift,benlangmuir/swift,JGiola/swift,stephentyrone/swift,austinzheng/swift,sschiau/swift,nathawes/swift,aschwaighofer/swift,gribozavr/swift,lorentey/swift,nathawes/swift,atrick/swift,gregomni/swift,aschwaighofer/swift